add minimal LM4F120H5QR (LM4F120XL Stellaris Launchpad) support

3 files changed, 42 insertions, 0 deletions

diff --git a/src/arch/lm4f120h5qr-stellaris/driver/gpio.cc b/src/arch/lm4f120h5qr-stellaris/driver/gpio.cc
new file mode 100644
index 0000000..5b17f1e
--- /dev/null
+++ b/src/arch/lm4f120h5qr-stellaris/driver/gpio.cc
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2021 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#include "driver/gpio.h"
+
+GPIO gpio;
diff --git a/src/arch/lm4f120h5qr-stellaris/driver/stdout.cc b/src/arch/lm4f120h5qr-stellaris/driver/stdout.cc
new file mode 100644
index 0000000..18b6da4
--- /dev/null
+++ b/src/arch/lm4f120h5qr-stellaris/driver/stdout.cc
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2021 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#include "driver/stdout.h"
+
+extern "C" {
+#include "lm4f_cpp_wrapper.h"
+};
+
+
+void StandardOutput::setup()
+{
+	mp_uart_setup();
+}
+
+void StandardOutput::put(char c)
+{
+	mp_uart_send_blocking(c);
+	if (c == '\n') {
+		put('\r');
+	}
+}
+
+StandardOutput kout;
diff --git a/src/arch/lm4f120h5qr-stellaris/driver/uptime.cc b/src/arch/lm4f120h5qr-stellaris/driver/uptime.cc
new file mode 100644
index 0000000..7e37a7b
--- /dev/null
+++ b/src/arch/lm4f120h5qr-stellaris/driver/uptime.cc
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2021 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#include "driver/uptime.h"
+
+Uptime uptime;